Kvs_t* in(const char* path) {
Kvs_t* kvs = init_kvs();
FILE* instream;
if ((instream = fopen(path, "rb")) == NULL) {
return kvs;
}
int count;
fread(&count, sizeof(int), 1, instream);
if(count <= 0) {
fclose(instream);
return kvs;
}
Key_t key;
size_t size;
for(int i = 0; i < count; i++) {
fread(&key, sizeof(Key_t), 1, instream);
fread(&size, sizeof(size_t), 1, instream);
Value_t value = malloc(size);
fread(value, size, 1, instream);
kvs = add_kv(kvs, make_kv(key, value, size));
}
fclose(instream);
return kvs;
}
void splitter(void) {
char *curr_word, *curr_key, curr_ltr;
int state = IN_KEY;
// For the current word
curr_word = input_data;
curr_key = input_data;
// Teragen creates 10 byte keys
int nchar = 0;
n_pairs = 0;
// Go through the file and update the count for each unique word
for (uint64_t i = 0; i < input_len; i++) {
// Each word is the same, regardless of case
curr_ltr = input_data[i];
switch (state) {
case IN_KEY:
if (nchar == 0)
curr_word = &input_data[i];
if (nchar >= 10) {
// End of the current word
input_data[i] = 0;
state = NOT_IN_WORD;
curr_key = curr_word;
nchar = 0;
}
else
nchar ++;
break;
case IN_VALUE:
if (curr_ltr == '\n') {
// The values end in '\r\n'
input_data[i] = 0;
input_data[i-1] = 0;
// Add key-value
add_kv(curr_key, curr_word);
// Modify the state
state = IN_KEY;
}
break;
default:
case NOT_IN_WORD:
if (curr_ltr >= '!' && curr_ltr <= '~') {
// Start of a new word
curr_word = &input_data[i];
state = IN_VALUE;
}
break;
}
}
// Add the last word
//add_kv(curr_key, curr_word);
//n_pairs++;
}
/**
* 添加一个参数
*/
Kvs_t* add_param(Kvs_t* kvs, Param_t* pParam) {
Kv_t* kv = make_kv(pParam -> id, pParam, sizeof(Param_t));
return add_kv(kvs, kv);
}
/**
* 添加一条记录
*/
Kvs_t* add_record(Kvs_t* kvs, Record_t* pRecord) {
Kv_t* kv = make_kv(pRecord -> id, pRecord, sizeof(Record_t));
return add_kv(kvs, kv);
}
